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Old 26th October 2010, 08:22 AM   #1
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Default Crown UT1010 help please...

Hi friends,i have this crown ut 1010 amp that i got on ebay about a year,i get it cheap because something is wrong with the amp.when i turned on all leds( clip prot sig)go on and off in crazy way and the outputs rly are like click click click....the positive outputs ie,the output transistors that are atached to the positive rail get hot in both chanels the others (negative rail)not,so i decided get all out and test ,and all output transistors and drivers are ok ...so heeeeeeeelp!!!! Please any guide or idea???
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Old 26th October 2010, 10:16 AM   #2
djk is offline djk
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Clean all the glue off the circuit board, it may be conductive.
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Old 27th October 2010, 06:34 AM   #3
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Thanks djk,i will do it tomorrow when put back the outputs,i suspect this amp has been in to water or at least in a very damp place,the internal paint of the chasis are falling and the metal shows some rust....
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Old 30th October 2010, 09:50 AM   #4
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well, i clean all circuit board and reinstall output trs and still have problems,now i dont get outputs hot but all leds go crazy on and off,but sometimes,the fault leds go off and clips ones stay on,i dont hear the relays turn on by the way...im thinking,whats comon in both chanels that make both fault in the same way,updates later...
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